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Kozuka Mincho and Kozuka Gothic throw a ton of "unknown operator" errors

See original GitHub issue

Using Adobe’s Kozuka fonts with OpenType.js results in a whole lot of errors about unknown operators. It looks like it’s not decoding the CFF charstring properly…

These two fonts are not free, but come “for free” with any Adobe CC product like Illustrator and Photoshop (including the trial versions), so testing with these fonts should be pretty easy.

processing minchou
Glyph 125: unknown operator 0
Glyph 125: unknown operator 0
Glyph 125: unknown operator 0
...
Glyph 1164: unknown operator 0
Glyph 1164: unknown operator 0
Glyph 1164: unknown operator 0
Glyph 1170: unknown operator 16
Glyph 1170: unknown operator 0
Glyph 1178: unknown operator 0
Glyph 1185: unknown operator 0
...
Glyph 1313: unknown operator 0
Glyph 1317: unknown operator 0
Glyph 1322: unknown operator 1200247
Glyph 1326: unknown operator 0
Glyph 1326: unknown operator 0
...
Glyph 1543: unknown operator 0
Glyph 1543: unknown operator 0
Glyph 1543: unknown operator 0
Glyph 1547: unknown operator 12007
Glyph 1551: unknown operator 2
Glyph 1551: unknown operator 16
Glyph 1551: unknown operator 2
Glyph 1555: unknown operator 0
Glyph 1560: unknown operator 0
Glyph 1560: unknown operator 0
...

Issue Analytics

State:
Created 8 years ago
Comments:8 (8 by maintainers)

Top GitHub Comments

1reaction

miguelsousacommented, Jun 27, 2015

What’s happening is that the parser is not taking into account that these are CID-keyed fonts and is stumbling into all the subroutines. The advanced widths are also messed up. @tshinnic addressed these things with PR #92. I did a bit of testing and these are the before and after screenshots using Kozuka Mincho: before kozmin_before after kozmin_after

@fdb perhaps it’s worth merging #92 even though Tom mentioned that it’s incomplete. The improvements to CID-keyed font parsing are quite significant there.

0reactions

Pomaxcommented, Jun 28, 2015

sweet!

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